Home / 40,044.87-55,259.01-22,140.09

Finding the Fourth Proportional to 40,044.87, 55,259.01 and 22,140.09

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Solution

The fourth proportional to 40,044.87, 55,259.01 and 22,140.09 is: 30,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.87 : 55,259.01 = 22,140.09 : x
  2. Step 2: Convert to fraction form
    40,044.87/55,259.01 = 22,140.09/x
  3. Step 3: Cross multiply
    40,044.87x = 55,259.01 × 22,140.09
  4. Step 4: Simplify right side
    40,044.87x = 1,223,439,454.71
  5. Step 5: Solve for x
    x = 1,223,439,454.71/40,044.87
  6. Step 6: Final answer
    x = 30,551.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.